in the united states -- and the united states economy is moving more and more to a knowledge- based economy. i don't know whether we need as many workers in that economy as we currently have available to us. that may be something we'll have to talk about. but it is the case that everyone who goes through our educational system now needs to be as trained as much as they're capable in doing knowledge-based work. and to the extent that they're not trained that way, they're going to fall behind and we're going to have them on the rolls of the dependency index at some future publication of that product. host: we've got a tweet from gary who i think addresses a little bit more of that. he writes until we restore manufacturing jobs in america, there will be a permanent underclass in america, must place tariffs or foreign goods. are you suggesting that we, that the united states, has sort of grown out of being a manufacturing state and that unless we can somehow harness the knowledge base, as a knowledge class or whatever, as a tax base, that we're going to have a permanent group of folks who will